WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam

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CXGM50 PGUM 031222
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     MAY
                                          YEAR:      2023
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  86  76  81  -2   0  16 0.07  0.0    0 15.2 24  70   M    M   6        29  80
 2  86  79  83   0   0  18    T  0.0    0 15.0 25  60   M    M   5        31  80
 3  86  78  82  -1   0  17 0.00  0.0    0 11.8 21  60   M    M   2        28  60
 4  87  74  81  -2   0  16 0.00  0.0    0  9.4 18  50   M    M   2        24  60
 5  85  76  81  -2   0  16 0.00  0.0    0  8.1 15  70   M    M   3        18  90
 6  86  78  82  -1   0  17    T  0.0    0 10.5 17  70   M    M   3        24  90
 7  86  78  82  -1   0  17    T  0.0    0 10.5 16  70   M    M   3        22  80
 8  86  77  82  -1   0  17 0.17  0.0    0  9.8 18  70   M    M   5        24  70
 9  87  77  82  -1   0  17 0.00  0.0    0  7.9 15  80   M    M   2        20  90
10  87  78  83   0   0  18 0.05  0.0    0  6.7 16  90   M    M   3        21 110
11  88  79  84   1   0  19    T  0.0    0  7.1 17 100   M    M   3        23  90
12  88  78  83   0   0  18 0.00  0.0    0  5.8 14 100   M    M   4        17  90
13  88  78  83   0   0  18 0.02  0.0    0  5.5 13 140   M    M   2        17 110
14  88  79  84   1   0  19 0.11  0.0    0  7.7 16  90   M    M   4        21 110
15  88  78  83   0   0  18 0.02  0.0    0  7.4 16 100   M    M   4        22 110
16  88  79  84   1   0  19    T  0.0    0  9.2 17  90   M    M   3        21  80
17  89  79  84   1   0  19    T  0.0    0 11.0 17  50   M    M   2        24  80
18  88  78  83   0   0  18 0.04  0.0    0 10.6 20  80   M    M   3        25  70
19  88  78  83   0   0  18    T  0.0    0 11.4 21  70   M    M   3        25  60
20  89  78  84   1   0  19    T  0.0    0  9.3 18  80   M    M   2        22  80
21  89  76  83   0   0  18    T  0.0    0  9.4 18  90   M    M   2        23  60
22  86  79  83   0   0  18 0.09  0.0    0 10.2 18  70   M    M   3        22  60
23  84  74  79  -4   0  14 2.71  0.0    0 15.1 30  20   M    M   7        36  20
24  82  76  79  -4   0  14 9.53  0.0    0 41.3 72 300   M    M  10 3     105 300
25  80  75  78  -5   0  1312.47  0.0    0 37.7 59 210   M    M  10 3      82 210
26  86  76  81  -2   0  16    T  0.0    0 13.1 22 150   M    M   M        31 140
27  87  78  83   0   0  18 0.22  0.0    0 12.3 21 110   M    M   M        31 110
28  86  77  82  -1   0  17 0.02  0.0    0 11.2 21  90   M    M   M        26 120
29  86  79  83   0   0  18 0.03  0.0    0 12.4 24  90   M    M   5        30  80
30  81  72  77  -6   0  12 4.24  0.0    0  8.6 29 110   M    M   7        38 110
31  84  74  79  -4   0  14 1.36  0.0    0 11.1 23  80   M    M   7        29  90
================================================================================
SM 2675 2391         0 526 31.15  0.0    372.3          M      115
================================================================================
AV 86.3 77.1                              12.0 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    72 300                105 300
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     MAY
                                          YEAR:      2023
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 81.7   TOTAL FOR MONTH:  31.15    1 = FOG OR MIST
DPTR FM NORMAL:  -1.3   DPTR FM NORMAL:   26.70    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON 21,20  GRTST 24HR 12.47 ON 25-25      TO 1/4 MILE OR LESS
LOWEST:     72 ON 30                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:  16
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   5

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  15
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   526
DPTR FM NORMAL   -32    [PRESSURE DATA]
TOTAL FM JAN 1  2421    HIGHEST SLP 29.92 ON  1
DPTR FM NORMAL   -54    LOWEST  SLP 29.80 ON  1

[REMARKS]
#FINAL-05-23#


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